<div class="chat-main">
    <div class="chat-left">
        <span>
            <i class="layui-icon layui-icon-dialogue"></i>
        </span>
        <span>
            <i class="layui-icon layui-icon-group"></i>
        </span>
        <span>
            <i class="layui-icon layui-icon-read"></i>
        </span>
        <span>
            <i class="layui-icon layui-icon-set-fill"></i>
        </span>
    </div>
    <div clss="chat-center">
        <div class="wx_search">
            <input type="text" placeholder="搜索"/>
            <button title="添加朋友" onclick="addFriendOrGroup()">+</button>
        </div>
    </div>
    <div clss="chat-right">
    22
    </div>
</div>